In situations where hand-to-hand combat might not be feasible but he still wants to fight alongside his Shikigami companions, Megumi has proven capable of wielding a variety of weaponry over the course of “Jujutsu Kaisen.” He first realizes how he can best incorporate weaponry into his fighting style in Episode 6, recalling a conversation from the previous episode in which Sukuna compliments his Ten Shadows Technique. This recollection compels him to use the technique to store weapons, thus introducing them into his repertoire.
Megumi then wields a variety of weapons during the Kyoto Goodwill Event Arc. In his semi-friendly fight against classmate Noritoshi Kamo, for example, Megumi wields a pair of wooden tonfas. Then, when Megumi, Noritoshi and others battle against Hanami, Megumi attacks the Curse with a black-bladed sword. Finally, Megumi provides his Zenin family relative Maki with a three-section staff called Playful Cloud in the midst of that same fight. He later wields it too, proving capable not just at a few different weapons, but a wide variety ranging from blades to the large -nunchaku-like Playful Cloud.
In essence, Megumi’s proficiency with a wide variety of weaponry mirrors his multifaceted fighting style, which makes use of the ability to summon helpful creatures alongside whom he’s more than capable of fighting with his own raw strength.